Product FAQ's

Answers to frequently asked questions about the products we offer.

What is a duplexer?

A duplexer is a passive filter that allows bi-directional communication over a single antenna on a duplex radio communication system. It accomplishes this with low insertion loss while isolating th...


What is a diplexer?

A diplexer is a 3-port device used in multiband systems which enables sharing a common antenna between two distinct frequency bands where each band encompasses both transmit and receive. This diffe...


What are Mutiplexers?

Multiplexers, can be considered as duplexers (2 bands), triplexers (three bands), quadruplexers (4 bands), up to as many as 12 bands. They provide a cost-effective solution for communication system...


What is an isolator?

An isolator is essentially a ciculator with termination (load) placed on port 3.

They eliminate transmitter intermodulation by preventing RF from entering the PA stage.

Isolators form a ...

What is a Tapper?

A Tapper is a device to feed or 'tap' a portion of the RF signal to a 2nd port whilst feeding the main (1st) port.

A Tapper is used as part of a Distributed Antenna System (DAS) - often found in ...

What does an SWR Analyser do?

An SWR (standing wave ratio) Analyser allows trimming of mobile antennas "IN SITU" for optimum performance. It also allows you to check antenna installation for faults etc.


Glossary of useful two-way communication acronyms

The following is a compiled list of acronyms commonly used in the industries that we are involved with…hope that they are useful